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Zen SudokuDo you know the famous game Sudoku? Here you can play it online. Try to fill in the empty spots, so in every line and box you have the numbers 1 till 9. Good luck!Play Zen Sudoku.

Smart SudokuWho doesn't know the famous game Sudoku?! Place the numbers one to nine into the square, from left to right and from top to bottom. This time you're playing against time. Keep improving yourself so you're going to need less time to solve the puzzle. And don't forget to defeat your friends time too!Play Smart Sudoku.

Sudoku 1Try to fill in the numbers. You can use each number only once in each row, column and box.Play Sudoku 1.